当前位置: 首页>>代码示例>>C++>>正文

C++ IPin::Disconnect方法代码示例

本文整理汇总了C++中IPin::Disconnect方法的典型用法代码示例。如果您正苦于以下问题：C++ IPin::Disconnect方法的具体用法？C++ IPin::Disconnect怎么用？C++ IPin::Disconnect使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IPin的用法示例。


在下文中一共展示了IPin::Disconnect方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: GetConnectedPin

HRESULT
recChannel_t::remap(void)
{
     __CONTEXT("recChannel_t::remap");
	IBaseFilter * pFilter = NULL;
	int hr = 0;	
	pControl->StopWhenReady();
	IPin * pin = NULL;

	hr = pGraph->FindFilterByName(L"AVI Decompressor",&pFilter);
	
	if (!hr) 
	{
		hr = pGraph->RemoveFilter(pFilter);
		errorCheck(hr);
		pFilter->Release();
	}

	hr = pGraph->FindFilterByName(L"Video Renderer",&pFilter);
	if (!hr)
	{
	
		while ((hr = GetConnectedPin(pFilter,PINDIR_INPUT,&pin))==0)
		{
			pin->Disconnect();
		}
	}

	if (pOutput) pOutput->Disconnect();

	remaped = true;
	return 0;

}
开发者ID:cchatterj，项目名称:isabel，代码行数:34，代码来源:recchanel.cpp

示例2: errorCheck

HRESULT 
recChannel_t::set_rate(float FR)
{
     __CONTEXT("recChannel_t::set_rate");
	if (FR<1)
    {
        return S_OK;
    }
	float factorRate = FR/30;
	int hr = 0;

	if (factorRate<0.1) factorRate = 0.1;
	frameRate = factorRate;

	IAMStreamConfig *pConfig = NULL;		
				
	if ((camInfo->getKind() == SHARED ||
         camInfo->getKind() == CAM)   && 
		actualFormat.pbFormat != NULL)
	{
			VIDEOINFOHEADER *pVih = (VIDEOINFOHEADER*) actualFormat.pbFormat;
            double newFR = 10000000.0/FR;
			pVih->AvgTimePerFrame = newFR;
            camInfo->setRate(pVih->AvgTimePerFrame);
            if (camInfo->getKind() == CAM)
            {
                IPin * pInput = NULL;
                get_camInfo()->output->ConnectedTo(&pInput);
                if (mapping)
                {
                    pControl->Stop();
                }
                if (pInput)
                {
                    get_camInfo()->output->Disconnect();
                    pInput->Disconnect();
                }
             	hr = get_camInfo()->output->QueryInterface(IID_IAMStreamConfig, (void**)&pConfig);
                if (pConfig)
                {
                    int hr = pConfig->SetFormat(&actualFormat);
                    errorCheck(hr);
                    pConfig->Release();
                }
                if (pInput)
                {
                    hr = pGraph->Connect(get_camInfo()->output,pInput);
                    errorCheck(hr);
                }
                errorCheck(hr);
                if (mapping)
                {
                    pControl->Run();
                }
			}
    }
    return hr;
	
}
开发者ID:cchatterj，项目名称:isabel，代码行数:59，代码来源:recchanel.cpp

示例3: ConnectPins

bool ConnectPins(IGraphBuilder *filterGraph, IBaseFilter* outputFilter, unsigned int outputNum, IBaseFilter* inputFilter, unsigned int inputNum) 
{
    IPin *inputPin = 0;
    IPin *outputPin = 0;

    if (!outputFilter || !inputFilter) {
        return false;
    }

    FindPin(outputFilter, PINDIR_OUTPUT, outputNum, &outputPin);
    FindPin(inputFilter, PINDIR_INPUT, inputNum, &inputPin);

	bool ret = false;
    if (inputPin && outputPin) 
	{
		IPin *tmp = 0;
		outputPin->ConnectedTo (&tmp);
		if (tmp)
		{
			outputPin->Disconnect ();
			tmp->Release();
		}
		inputPin->ConnectedTo (&tmp);
		if (tmp)
		{
			inputPin->Disconnect ();
			tmp->Release();
		}

		HRESULT hr = filterGraph->Connect (outputPin, inputPin);
        ret = SUCCEEDED(hr);
	}

	if (inputPin)
	{
		inputPin->Release();
	}

	if (outputPin)
	{
		outputPin->Release();
	}

	return ret;
}
开发者ID:gaoyakun，项目名称:atom3d，代码行数:45，代码来源:dshow_movieplayer.cpp

示例4: DeleteOutputPins

void COggSplitter::DeleteOutputPins()
{
    CAutoLock lock(&m_csFilter);

    for (int i=0; i<m_iOutputs; i++)
	{
		if (m_paOutput[i]->IsConnected())
		{
			IPin	*pcPin;

			m_paOutput[i]->ConnectedTo(&pcPin);
			pcPin->Disconnect();
			m_paOutput[i]->Disconnect();
		} 
	}
	delete m_paOutput;
	m_paOutput = NULL;
	m_iOutputs = 0;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:19，代码来源:OggSplitterDS.cpp

示例5: DisconnectPins

// Disconnect any connections to the filter.   
HRESULT VideoTexture::DisconnectPins(IBaseFilter *pFilter)
{   
	IEnumPins *pEnum = 0;   
	IPin *pPin = 0;   
	HRESULT hr = pFilter->EnumPins(&pEnum);   
	if (FAILED(hr))   
	{   
		return hr;   
	}   
 
	while (pEnum->Next(1, &pPin, NULL) == S_OK)   
	{   
		pPin->Disconnect();   
		pPin->Release();   
	}   
	pEnum->Release();   
 
	// Did not find a matching pin.   
	return S_OK;   
}
开发者ID:chock-mostlyharmless，项目名称:mostlyharmless，代码行数:21，代码来源:VideoTexture.cpp

示例6: disableAudio

 void DirectShowVideoWrapper::disableAudio(void)
{
    if(isInitialized() && hasAudio())
    {
		HRESULT hr;
        TCHAR szErr[MAX_ERROR_TEXT_LEN];

        IBaseFilter* pAudioRenderer = NULL;
        hr = FindAudioRenderer(_pGraphBuilder,&pAudioRenderer);
        if (FAILED(hr))
        {
            AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
            SWARNING << "Failed to find audio renderer, error: " << szErr << std::endl;
            return;
        }

        if(pAudioRenderer != NULL)
        {
            stop();
            //Remove the Renderer
		    IPin* ipin;
            hr = GetPin(pAudioRenderer, PINDIR_INPUT, 0, &ipin);
			if (FAILED(hr))
			{
				AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
				SWARNING << "Get Audio Renderer in pin, error: " << szErr << std::endl;
				return;
			}
		    IPin* opin = NULL;
		    //find out who the renderer is connected to and disconnect from them
		    hr = ipin->ConnectedTo(&opin);
            if (FAILED(hr))
            {
                AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
                SWARNING << "error: " << szErr << std::endl;
                return;
            }
		    hr = ipin->Disconnect();
            if (FAILED(hr))
            {
                AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
                SWARNING << "error: " << szErr << std::endl;
                return;
            }
		    hr = opin->Disconnect();
            if (FAILED(hr))
            {
                AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
                SWARNING << "error: " << szErr << std::endl;
                return;
            }

            //Remove the Renderer		
		    hr = _pGraphBuilder->RemoveFilter(pAudioRenderer);
            if (FAILED(hr))
            {
                AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
                SWARNING << "error: " << szErr << std::endl;
                return;
            }

            
            //Connect an NULL Audio renderer
		    hr = _pGraphBuilder->AddFilter(_pNullAudioFilter, L"NULL Audio Renderer");
            if (FAILED(hr))
            {
                AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
                SWARNING << "error: " << szErr << std::endl;
                return;
            }

		    //get the input pin of the Color Space Converter
		    hr = GetPin(_pNullAudioFilter, PINDIR_INPUT, 0, &ipin);
			if (FAILED(hr))
			{
				AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
				SWARNING << "Get Null Audio in pin, error: " << szErr << std::endl;
				return;
			}

            //Connect an Audio renderer
		    hr = _pGraphBuilder->Connect(opin, ipin);
            if (FAILED(hr))
            {
                AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
                SWARNING << "error: " << szErr << std::endl;
                return;
            }
        }
    }
}
开发者ID:ahuballah，项目名称:OpenSGToolbox，代码行数:91，代码来源:OSGDirectShowVideoWrapper.cpp

示例7: ConnectSampleGrabber


//.........这里部分代码省略.........
			AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
			SWARNING << "Get Vidio Renderer in pin, error: " << szErr << std::endl;
			return hr;
		}
		IPin* opin = NULL;
		//find out who the renderer is connected to and disconnect from them
		hr = ipin->ConnectedTo(&opin);
        if (FAILED(hr))
        {
            AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
            SWARNING << "error: " << szErr << std::endl;
            return hr;
        }

		//Get the filter of the opin
		PIN_INFO OpinInfo;
		opin->QueryPinInfo(&OpinInfo);
		IBaseFilter* LastFilter(OpinInfo.pFilter);

		FILTER_INFO LastFilterInfo;
		LastFilter->QueryFilterInfo(&LastFilterInfo);
		CLSID LastFilterClassID;
		LastFilter->GetClassID(&LastFilterClassID);
		SLOG << "Last filter name: " << LastFilterInfo.achName 
			<< ", ClassID " << LastFilterClassID.Data1 << "-" << LastFilterClassID.Data2 << "-" << LastFilterClassID.Data3 << "-" << LastFilterClassID.Data4
			 << std::endl;
		LPWSTR *VendorInfo;
		LastFilter->QueryVendorInfo(VendorInfo);
		if(VendorInfo)
		{
			SLOG << "Last filter vendor: " << *VendorInfo << std::endl;
		}
		
		hr = ipin->Disconnect();
        if (FAILED(hr))
        {
            AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
            SWARNING << "error: " << szErr << std::endl;
            return hr;
        }
		hr = opin->Disconnect();
        if (FAILED(hr))
        {
            AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
            SWARNING << "error: " << szErr << std::endl;
            return hr;
        }

		//SAFE_RELEASE(ipin);

		//remove the default renderer from the graph		
		hr = _pGraphBuilder->RemoveFilter(pVidRenderer);
        if (FAILED(hr))
        {
            AMGetErrorText(hr, szErr, MAX_ERROR_TEXT_LEN);
            SWARNING << "error: " << szErr << std::endl;
            return hr;
        }
		//SAFE_RELEASE(pVidRenderer);

		//see if the video renderer was originally connected to 
		//a color space converter
		_pGraphBuilder->FindFilterByName(L"Color Space Converter", &_pCSCFilter);
		if(_pCSCFilter == NULL)
		{
			// Create the Color Space filter
开发者ID:ahuballah，项目名称:OpenSGToolbox，代码行数:67，代码来源:OSGDirectShowVideoWrapper.cpp

示例8: loadMovie

bool DShowMoviePlayer::loadMovie (void)
{
	if (!_oleInitialized)
	{
		::CoInitialize (0);
	}

	char physicFileName[512];
	wchar_t physicFileNameW[512];
	ATOM_GetNativePathName (_fileName.c_str(), physicFileName);
	if (!convertCStringToWString (physicFileName, physicFileNameW, 512))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "Error converting C string filename to UNICODE");
		return false;
	}

#if 1
	HRESULT hr = ::CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&_graphBuilder);
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating graph");
		return false;
	}

	hr = ::CoCreateInstance (CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&_grabberFilter);
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating sample grabber");
		return false;
	}

	hr = _grabberFilter->QueryInterface (IID_ISampleGrabber, (void**)&_grabber);
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying sample grabber");
		return false;
	}

	AM_MEDIA_TYPE mt;
	memset (&mt, 0, sizeof(AM_MEDIA_TYPE));
	mt.majortype = MEDIATYPE_Video;
	mt.subtype = MEDIASUBTYPE_RGB32;
	mt.formattype = FORMAT_VideoInfo;
	hr = _grabber->SetMediaType (&mt);
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error setting smaple grabber media type");
		return false;
	}

	hr = _graphBuilder->AddFilter (_grabberFilter, L"Sample Grabber");
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding filter");
		return false;
	}

	hr = _graphBuilder->QueryInterface (IID_IMediaControl, (void**)&_control);
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media control");
		return false;
	}

	IBaseFilter *render = 0;
	hr = ::CoCreateInstance (CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&render);
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating render filter");
		return false;
	}

	hr = _graphBuilder->AddFilter (render, L"Null renderer");
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding null-renderer filter");
		return false;
	}

	hr = _control->RenderFile (physicFileNameW);
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error rendering file");
		return false;
	}
#if 0
	IPin *grabberOut = 0;
	FindPin (_grabberFilter, PINDIR_OUTPUT, 0, &grabberOut);
	if (grabberOut)
	{
		grabberOut->Disconnect ();
		grabberOut->Release ();
	}
#endif

	SaveGraphFile (_graphBuilder, L"C:\\test.grf");
	hr = _graphBuilder->QueryInterface (IID_IVideoWindow, (void**)&_window);
	if (FAILED(hr))
	{
		ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying video window");
//.........这里部分代码省略.........
开发者ID:gaoyakun，项目名称:atom3d，代码行数:101，代码来源:dshow_movieplayer.cpp

示例9: setWindowGeometry

HRESULT 
recChannel_t::map(void)
{

    __CONTEXT("recChannel_t::map");
       
	int hr = 0;
	IBaseFilter * pFilter = NULL;
	IBaseFilter * pFilter2 = NULL;
	IPin * pVideoInputPin = NULL;
	pControl->StopWhenReady();
	
	mapping = true;
	pOutput = camInfo->output;


	if (remaped){
		
	    //refresh Codec BW before creation
        pSender->sampleGrabber->BWController->refreshBW();
		pSender->rebind();
	
		hr = pGraph->Render(pOutput);
		{
				
				// Enumerate the filters in the graph.
				IEnumFilters *pEnum = NULL;
				int hr = pGraph->EnumFilters(&pEnum);
				if (SUCCEEDED(hr))
				{
					IBaseFilter *pFilter = NULL;
					pEnum->Reset();
					while (S_OK == pEnum->Next(1, &pFilter, NULL))
					{
						CLSID filterId;
						pFilter->GetClassID(&filterId);
						if(filterId == CLSID_AviSplitter)
			   			{

							IEnumPins * pEnumpin = NULL;
								
							hr = pFilter->EnumPins(&pEnumpin);
							if (!hr)
							{
								IPin * pPin = NULL;
								pEnumpin->Reset();
								while (pEnumpin->Next(1, &pPin, 0) == S_OK)
								{
									bool break_loop = false;
									AM_MEDIA_TYPE * mediaType;
									IEnumMediaTypes * enumMedia = NULL;
						
									hr = pPin->EnumMediaTypes(&enumMedia);
									if(!hr)
									{
										enumMedia->Reset();
										while(enumMedia->Next(1,&mediaType , NULL) == S_OK)
										{
											if (mediaType->majortype == MEDIATYPE_Audio)
											{
												pPin->Disconnect();
												pGraph->Render(pPin);
												pPin->Release();
												break_loop = true;
												break;
											}
										}
										enumMedia->Release();
										if (break_loop)
											break;
									}
								}
								pEnumpin->Release();
							}
							
						}
						pFilter->Release();
					}
					pEnum->Release();
				}
		}

		pipeCreated = true;
	
		if (hr)
		{
				errorCheck(hr);
				NOTIFY("[recChannel_t::map]WARNING :: Can't render actual format, restoring default settings...\r\n");
				capInfo.heigth = DEFAULT_CAPTURE_HEIGTH;
				capInfo.width = DEFAULT_CAPTURE_WIDTH;
				ql_t<AM_MEDIA_TYPE *> auxFormats = camInfo->getFormatList();
				pSender->SetActualCodec(DEFAULT_CODEC_STR);
		}
	}

	if (fullScreen){
		set_full_screen(true);
	}else{
		hr = setWindowGeometry(windowInfo);
		errorCheck(hr);
//.........这里部分代码省略.........
开发者ID:cchatterj，项目名称:isabel，代码行数:101，代码来源:recchanel.cpp


注：本文中的IPin::Disconnect方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。